{"id":9198,"date":"2015-06-03T06:13:08","date_gmt":"2015-06-03T10:13:08","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=9198"},"modified":"2015-11-10T08:44:08","modified_gmt":"2015-11-10T13:44:08","slug":"%e0%a6%a8%e0%a7%87%e0%a6%9f%e0%a6%93%e0%a7%9f%e0%a6%be%e0%a6%b0%e0%a7%8d%e0%a6%95-%e0%a6%b2%e0%a7%87%e0%a6%a8-%e0%a6%9f%e0%a7%87%e0%a6%95%e0%a6%a8%e0%a7%8b%e0%a6%b2%e0%a6%9c%e0%a6%bf","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=9198","title":{"rendered":"\u09a1\u09c7\u099f\u09be \u0995\u09ae\u09bf\u0989\u09a8\u09bf\u0995\u09c7\u09b6\u09a8 \u0993 \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u09a8\u09c7\u099f\u0993\u09af\u09bc\u09be\u09b0\u09cd\u0995 : \u09a8\u09c7\u099f\u0993\u09df\u09be\u09b0\u09cd\u0995 \u09b2\u09c7\u09a8 \u099f\u09c7\u0995\u09a8\u09cb\u09b2\u099c\u09bf (DCN &#8211; Network LAN Technologies)"},"content":{"rendered":"<p>\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae<\/p>\n<p>&nbsp;<\/p>\n<p>\u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09a8\u09c7\u099f\u0993\u09df\u09be\u09b0\u09cd\u0995 \u09b2\u09c7\u09a8 \u099f\u09c7\u0995\u09a8\u09cb\u09b2\u099c\u09bf \u09a8\u09bf\u09df\u09c7 \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0\u09be \u09af\u09be\u0995,<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f<\/h2>\n<p>\u09b2\u09c7\u09a8 \u099f\u09c7\u0995\u09a8\u09cb\u09b2\u099c\u09bf\u09a4\u09c7 \u098f\u099f\u09bf \u09ac\u09b9\u09c1\u09b2 \u09aa\u09cd\u09b0\u099a\u09b2\u09bf\u09a4, \u09e7\u09ef\u09ed\u09e6 \u09b8\u09be\u09b2\u09c7 Bob Metcalfe \u098f\u09ac\u0982 D.R. Boggs \u098f\u099f\u09bf \u0986\u09ac\u09bf\u09b8\u09cd\u0995\u09be\u09b0 \u0995\u09b0\u09c7\u09a8\u0964 IEEE 802.3 \u09a4\u09c7 \u09e7\u09ef\u09ee\u09e6 \u09b8\u09be\u09b2\u09c7 \u0986\u09a6\u09b0\u09cd\u09b6 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u098f\u099f\u09bf\u0995\u09c7 \u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09be \u09b9\u09df\u0964<\/p>\n<p>&nbsp;<\/p>\n<p>\u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09ae\u09bf\u09a1\u09bf\u09df\u09be \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964 \u09b6\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09be \u09ae\u09bf\u09a1\u09bf\u09df\u09be\u09b0 \u09a1\u09be\u099f\u09be \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0 \u09b8\u0982\u0998\u09b0\u09cd\u09b7 \u09aa\u09cd\u09b0\u09ac\u09a3 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09b8\u0982\u0998\u09b0\u09cd\u09b7 \u09b6\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af CSMA\/CD \u09aa\u09cd\u09b0\u09af\u09c1\u0995\u09cd\u09a4\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964 \u09b8\u099a\u09b0\u09be\u099a\u09b0 \u09a6\u09c7\u0996\u09be \u09af\u09be\u0993\u09df\u09be \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f 10BASE-T \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af\u09c7\u09b0 \u09af\u09be\u09b0 \u09e7\u09e6 \u098f\u09ae\u09ac\u09bf\u09aa\u09bf\u098f\u09b8 \u0997\u09a4\u09bf, BASE \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09ac\u09c7\u09b8\u09ac\u09cd\u09af\u09be\u09a8\u09cd\u09a1, \u098f\u09ac\u0982 \u099f\u09bf \u09a6\u09cd\u09ac\u09be\u09b0\u09be Thick Ethernet \u09ac\u09cb\u099d\u09be\u09df\u0964<\/p>\n<p>&nbsp;<\/p>\n<h2>\u09a6\u09cd\u09b0\u09c1\u09a4 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f<\/h2>\n<p>\u09a6\u09cd\u09b0\u09c1\u09a4 \u09ac\u09b0\u09cd\u09a7\u09a8\u09b6\u09c0\u09b2 \u09b8\u09ab\u099f\u0993\u09df\u09be\u09b0 \u0993 \u09b9\u09be\u09b0\u09cd\u09a1\u0993\u09df\u09be\u09b0 \u09aa\u09cd\u09b0\u09af\u09c1\u0995\u09cd\u09a4\u09bf\u09b0 \u0989\u09aa\u09af\u09cb\u0997\u09c0 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u0987\u0989\u099f\u09bf\u09aa\u09bf, \u0985\u09aa\u099f\u09bf\u0995\u09cd\u09af\u09be\u09b2 \u09ab\u09be\u0987\u09ac\u09be\u09b0 \u0993 \u09a4\u09be\u09b0\u09ac\u09bf\u09b9\u09c0\u09a8 \u09ad\u09be\u09ac\u09c7\u0993 \u099a\u09b2\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09e7\u09e6\u09e6 \u098f\u09ae\u09ac\u09bf\u09aa\u09bf\u098f\u09b8 \u0997\u09a4\u09bf \u09b2\u09be\u09ad \u098f\u09b0 \u09aa\u0995\u09cd\u09b7\u09c7 \u09b8\u09ae\u09cd\u09ad\u09ac\u0964 IEEE 803.2 \u09a4\u09c7 100BASE-T \u09a8\u09be\u09ae\u09c7 \u098f\u099f\u09bf \u09b6\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09be \u09af\u09be\u09df, Cat-5 twisted pair cable \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09b9\u09cb\u09b7\u09cd\u099f\u09c7\u09b0 \u09ae\u09be\u099d\u09c7 \u09a4\u09be\u09b0\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09ae\u09bf\u09a1\u09bf\u09df\u09be \u09b6\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 CSMA\/CD \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7, \u09a4\u09be\u09b0\u09ac\u09bf\u09b9\u09c0\u09a8 \u0989\u09aa\u09be\u09df CSMA\/CA \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964 \u0985\u09aa\u099f\u09bf\u0995\u09cd\u09af\u09be\u09b2 \u09ab\u09be\u0987\u09ac\u09be\u09b0\u09c7 \u09a6\u09cd\u09b0\u09c1\u09a4 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f 100BASE-FX \u09a8\u09be\u09ae\u09c7 \u09aa\u09b0\u09bf\u099a\u09bf\u09a4\u0964<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0997\u09bf\u0997\u09be \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f<\/h2>\n<p>\u09e7\u09ef\u09ef\u09eb \u09b8\u09be\u09b2\u09c7 \u0997\u09bf\u0997\u09be \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f\u09c7\u09b0 \u09af\u09be\u09a4\u09cd\u09b0\u09be \u09b6\u09c1\u09b0\u09c1, \u098f\u099f\u09bf 1000 mbits\/second \u0997\u09a4\u09bf\u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 EEE802.3ab \u09b8\u09ae\u09b0\u09cd\u09a5\u09bf\u09a4 \u098f\u0987 \u0997\u09bf\u0997\u09be \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f at-5, Cat-5e \u098f\u09ac\u0982 Cat-6 \u0995\u09cd\u09af\u09be\u09ac\u09b2 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 IEEE802.3ah \u0985\u09aa\u099f\u09bf\u0995\u09cd\u09af\u09be\u09b2 \u09ab\u09be\u0987\u09ac\u09be\u09b0\u09c7 \u0997\u09bf\u0997\u09be \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09ac\u09cb\u099d\u09be\u09df\u0964<\/p>\n<p>&nbsp;<\/p>\n<h2>\u09ad\u09be\u09b0\u09cd\u099a\u09c1\u09df\u09be\u09b2 \u09b2\u09c7\u09a8<\/h2>\n<p>\u09b2\u09c7\u09a8 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09a4\u0996\u09a8 \u09af\u0996\u09a8 \u098f\u099f\u09bf \u09b6\u09c7\u09df\u09be\u09b0\u0995\u09c3\u09a4 \u09ae\u09bf\u09a1\u09bf\u09df\u09be \u09a8\u09bf\u09df\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964 \u098f\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u098f\u0995\u0995 \u09b8\u09ae\u09cd\u09aa\u09cd\u09b0\u099a\u09be\u09b0 \u09a1\u09cb\u09ae\u09c7\u0987\u09a8 \u0993 \u098f\u0995\u0995 \u09b8\u0982\u0998\u09b0\u09cd\u09b7 \u09a1\u09cb\u09ae\u09c7\u0987\u09a8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be \u09b9\u09df, \u098f\u0995\u0995 \u09b8\u09ae\u09cd\u09aa\u09cd\u09b0\u099a\u09be\u09b0 \u09a1\u09cb\u09ae\u09c7\u0987\u09a8 \u098f\u0995\u09be\u09a7\u09bf\u0995 \u09b8\u09ae\u09cd\u09aa\u09cd\u09b0\u099a\u09be\u09b0 \u09a1\u09cb\u09ae\u09c7\u0987\u09a8\u09c7 \u09ac\u09bf\u09ad\u0995\u09cd\u09a4 \u09b9\u0993\u09df\u09be\u09b0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09b9\u09b2 \u09ad\u09be\u09b0\u09cd\u099a\u09c1\u09df\u09be\u09b2 \u09b2\u09c7\u09a8\u0964 \u09a1\u09bf\u09ab\u09b2\u09cd\u099f \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09b8\u09ac \u09b9\u09cb\u09b7\u09cd\u099f \u098f\u0995\u0995 \u09ad\u09be\u09b0\u09cd\u099a\u09c1\u09df\u09be\u09b2 \u09b2\u09c7\u09a8\u09c7 \u09b8\u0982\u09af\u09c1\u0995\u09cd\u09a4 \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/www.tutorialspoint.com\/data_communication_computer_network\/images\/VLAN.jpg?resize=560%2C433\" alt=\"\u09ad\u09be\u09b0\u09cd\u099a\u09c1\u09df\u09be\u09b2 \u09b2\u09c7\u09a8\" width=\"560\" height=\"433\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae &nbsp; \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09a8\u09c7\u099f\u0993\u09df\u09be\u09b0\u09cd\u0995 \u09b2\u09c7\u09a8 \u099f\u09c7\u0995\u09a8\u09cb\u09b2\u099c\u09bf \u09a8\u09bf\u09df\u09c7 \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0\u09be \u09af\u09be\u0995, &nbsp; \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09b2\u09c7\u09a8 \u099f\u09c7\u0995\u09a8\u09cb\u09b2\u099c\u09bf\u09a4\u09c7 \u098f\u099f\u09bf \u09ac\u09b9\u09c1\u09b2 \u09aa\u09cd\u09b0\u099a\u09b2\u09bf\u09a4, \u09e7\u09ef\u09ed\u09e6 \u09b8\u09be\u09b2\u09c7 Bob Metcalfe \u098f\u09ac\u0982 D.R. Boggs \u098f\u099f\u09bf \u0986\u09ac\u09bf\u09b8\u09cd\u0995\u09be\u09b0 \u0995\u09b0\u09c7\u09a8\u0964 IEEE 802.3 \u09a4\u09c7 \u09e7\u09ef\u09ee\u09e6 \u09b8\u09be\u09b2\u09c7 \u0986\u09a6\u09b0\u09cd\u09b6 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u098f\u099f\u09bf\u0995\u09c7 \u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09be \u09b9\u09df\u0964 &nbsp; \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f \u09ae\u09bf\u09a1\u09bf\u09df\u09be \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964 \u09b6\u09c7\u09df\u09be\u09b0 \u0995\u09b0\u09be \u09ae\u09bf\u09a1\u09bf\u09df\u09be\u09b0 \u09a1\u09be\u099f\u09be \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0 \u09b8\u0982\u0998\u09b0\u09cd\u09b7 \u09aa\u09cd\u09b0\u09ac\u09a3 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u0987\u09a5\u09be\u09b0\u09a8\u09c7\u099f &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=9198\">Continue 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